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. 2009 Mar 2;1:4. doi: 10.1186/1758-2555-1-4

Table 5.

Correlation between age, range of motion and strength.

Range of motion
Supine Sitting
Age

 Internal
Rotation
(D) 		Internal
Rotation
(ND) 		External
Rotation
(D) 		External
Rotation
(ND) 		External
Rotation
(D) 		External
Rotation
(ND)
Age
 ---
 -0.05
(n = 130)		 0.03
(n = 130)		 -0.22*
(n = 130)		 -0.15
(n = 130)		 -0.01
(n = 196)		 -0.08
(n = 131)
Strength

 Internal
Rotation
(D) 		-0.14
(n = 131)
 -0.09
(n = 128)
 -0.07
(n = 128)
 -0.05
(n = 128)
 -0.04
(n = 128)
 -0.28**
(n = 129)
 -0.32**
(n = 129)
Internal
Rotation
(ND) 		-0.17
(n = 131)
 -0.16
(n = 128)
 -0.12
(n = 128)
 -0.03
(n = 128)
 0.01
(n = 128)
 -0.23**
(n = 129)
 -0.27**
(n = 129)
External
Rotation
(D) 		-0.09
(n = 169)
 -0.07
(n = 130)
 -0.03
(n = 130)
 -0.01
(n = 130)
 0.04
(n = 130)
 -0.22*
(n = 131)
 -0.28**
(n = 131)
External
Rotation
(ND) 		-0.16
(n = 131)
 -0.13
(n = 128)
 -0.09
(n = 128)
 -0.05
(n = 128)
 0.05
(n = 128)
 -0.23*
(n = 129)
 -0.28**
(n 129)

* Significant at P < 0.05; ** Significant at P < 0.01.

Abbreviations: D, Dominant arm; ND, Non-dominant arm